Louis Coatalen

Louis Hervé Coatalen (11 September 1879 – 23 May 1962) was a Breton automobile engineer.

Coatalen was born in the Breton fishing town of Concarneau and went on to study engineering at the École des Arts et Métiers at Cluny (France).

After working for De Dion-Bouton, Clément-Bayard and Panhard-Levassor he left France to work in England in 1900. After a short time with the Crowden Motor Car Company he became chief engineer with Humber Limited in 1901.